Description:  Smart Cylinder Lock APP Control TT Lock Digital Keypad Code RFID Card Keyless Door Lock For Home Hotel Apartment.    Feature:   1.Made of high quality zinc alloy material, safe and eco-friendly, durable and sturdy to use.  2.Compact design, exquisite and precision workmanship. Suitable for both safety doors, doors, wooden doors, glass doors.  3.Multiple ways to unlock: PFID smart card unlock, password unlock, App unlock and mechanical key unlock.   4. Low-power consumption design, energy-saving and durable, strong anti-interference capability.  5. Easy installation. All necessary accessories are provided to you that convenient to install.     Specification:  Material: Zinc alloy+Copper;  Color: Silver;  Unlock: RFID Smart Card/Password/Key/APP;  Fingerprint capacity: 30 groups;  Standard: European Standard 30/30,35/35,40/40, 60/40,75/40;  Battery Type: AAA Battery;  Working Temperature: -10 ~ 55 degree;  Working power supply: 3.6-4.5V;  Working current: <130mA;  Applicable door thickness: 40-110mm;  Low Battery Reminder Function: Yes.    Package Included:  1 x Smart Cylinder Lock  (Battery Not included),  2 x Keys,  3 x FRID Card,  1 x Screwdriver,  1 x User Manual.